[GENERAL] Creating temp tables inside read only transactions

[mike beeper]

I have a function that creates a temp table, populate it with results 
during intermediate processing, and reads from it at the end.  When the 
transaction is marked as read only, it does not allow creation of temp 
table, even though there are no permanent writes to the db.  Are there 
any workarounds? The following block errors out.

SET TRANSACTION ISOLATION LEVEL READ COMMITTED READ ONLY;
create temp table test(test int);